Universal junctor



Dec. 30, 1969 J. a. PEARCE ET 3,487,170

UNIVERSAL JUNCTOR Filed May 23, 1966 20 Sheets-Shee t 1 I0 l3 l4 LINE TRUNK LINE LINK JUNCTOR LI-NK LINK NETWORK NETWORK NETWORK N) V|5j REGISTER v JUNCTOR SENDER CONTROL IN VEN TORS J. G. PEARCE BY W. W. PHARIS G. 0. K. SCHNE IDER ATTOR EYS Dec. 30, 1969 Filed May 23, 1966 J. G. PEARCE ET UNIVERSAL JUNCTOR CIRCULATE CELL (INDICATES USEI MF TRANSFER IMULTIFREQ INSTEAOofOIA I LOOP SUPY 20 Sheets-Sheet 4 3 ing IMPULSE ANALYSE LOOP SUPY IMPULSE TRANSFERRED TO REG CALLED SUB ANSWER RECORD RELEASE MODE NORMAL 0 OMAL ICALL I SPARE I SPARE O I RECORD EVENT PARITY REQUEST BUFFER SEQUENCE STORE (SEE TABLE BELOWI PARITY QOU'Q ing HAS ADO ON CONF FEATURE REF TO ING EXT MEMORY ed HAS ADD ON CONF FEATURE REF TO ED EXT MEMORY PARITY ALL REQUEST SNCON JUNCTOR CONTROL REL SEO ADO-0N CONF JUNCTOR CONNECT ADD-ON BUFFER SEQUENCEv STORE MALICIOUS CALL CIRCUIT REQ JC OPER SR STUCK RELAY o o o o.

ALARM RECORDED o o o =1- PLUS H I PARITY -FIG.2BI

Dec..30, 1969 J, 5. PE ET AL UNIVERSAL JUNCTOR Filed May 23, 1966 20 Sheets-Sheet 5 (FIGURE- 3 B) moMHN xnn am 01' Dec.- 30, 1969 J. a. PEARCE UNIVERSAL J UNCTOR Filed May 23, 1966 )lHOMlBN )INH 310M835 01 20 Sheets-Sheet 6 (FIGURE-3A) Dec. 30, 1969 J, G. P E ET AL UNIVERSAL J UNCTOR 2O Sheets-Sheet 9 Filed May 23, 1966 mwzz m mmMEEE :m mom HOB com

A 3E8 I :3: a a $522 505 g N e Dec. 30, 1969 J. ca. PEARCE ET AL UNIVERSAL JUNCTOR 20 Sheets-Sheet 10 Filed May 23, 1966 CREE wzamwoom $35533 55352 V2: 52mm muntnm 556mm Dec. 30, 1969 J. a. PEARCE ET AL UNIVERSAL JUNCTOR 20 Sheets-Sheet 11 Filed May 23, 1966 3528 $332: E0 2 u ,5 5:5: IID as; so 5528 m8 irllil E E Q 5 Ii: 22:: 1 3w 7 r 8w armwom 51 www) wmm v mm; 5 3 ME; 95 m8 N8 aw o2 H I 2 2 Q 222:5:

Dec. 30, 1969 J. G. PEARCE ET AL 3,487,170

UNIVERSAL JUNCTOR Filed May 23, 1966 20 Sheets-Sheet 15 I 2 LI...

(-v 1 aansia Dec. 30, 1969 J. G. PEARCE E 3,487,170

UNIVERSAL JUNO-TOR Filed May 23, 1966 2o Sheets- Sheet 14 NORMALLY OPERATED V 'IOHlNOO )lHOMlHN 331M338 0i Dec. 30, 1969 J. G. PEARCE ET AL UNIVERSAL JUNCTOR 2O Sheets-Sheet 15 Filed May 23, 1966 mom Dec. 30, 1969 J. a. PEARCE ET AL 3,437,170

UNIVERSAL J UNCTOR Filed May 23, 1966- zdSheets-Sheat 17 RIN SIGNAL COCNJROL REMOVE SIGNAL RINGING APPLIED Dec. 30, 1969 J. G. PEARCE ET AL 3,487,170

UNIVERSAL JUNCTOR Filed May 23, 1966 20 Sheets-Sheet 19 NORMALY T0 ALARM A OPERATED cmcun Dec. 30, 1969 Filed May 23, 1966 J. G. PEARCE ET AL UNIVERSAL JUNCTOR 2O Sheets-Sheet 20 HEHW 3d 01 FIG. IOB

BUSY 

